East Hampton square-footage rule has buyers scrambling for megamansions

The megamansions of Further Lane are some of the largest and most expensive homes in all of the Hamptons. It’s the kind of neighborhood where a 10,000-, 20,000-, or even 30,000-square-foot home doesn’t stick out like a tall poppy. But in March, the East Hampton Town Board finally said enough is enough, approving a code…